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For the first time, we conducted a comprehensive analysis of the rotational bands in the \( A\sim250 \) mass region. Utilizing a variety of rotational energy models and formulas, we have extracted free parameters for 36 rotational bands…

Nuclear Theory · Physics 2024-01-10 Anshul Dadwal , Xiao-Tao He

Covariant density functional theory and the tilted axis cranking method are used to investigate antimagnetic rotation (AMR) in nuclei for the first time in a fully self-consistent and microscopic way. The experimental spectrum as well as…

Nuclear Theory · Physics 2011-09-16 P. W. Zhao , J. Peng , H. Z. Liang , P. Ring , J. Meng

A comprehensive study of the total energy of manganese-rich Heusler compounds using density functional theory is presented. Starting from a large set of cubic parent systems, the response to tetragonal distortions is studied in detail. We…

Materials Science · Physics 2015-08-26 Lukas Wollmann , Stanislav Chadov , Jürgen Kübler , Claudia Felser

The nuclear wobbling motion is studied from a microscopic viewpoint. It is shown that the expressions not only of the excitation energy but also of the electromagnetic transition rate in the microscopic RPA framework can be cast into the…

Nuclear Theory · Physics 2009-10-28 Yoshifumi R. Shimizu , Masayuki Matsuzaki

The relative properties of smooth terminating bands observed in the A~110 mass region are studied within the effective alignment approach. Theoretical values of $i_{eff}$ are calculated using the configuration-dependent shell-correction…

Nuclear Theory · Physics 2009-10-30 A. V. Afanasjev , I. Ragnarsson

This work presents the dynamic properties of charged test particles influenced by the gravitational and electromagnetic fields. Accordingly, in this work, we concentrate on the static and axially symmetric metric containing two quadrupole…

High Energy Astrophysical Phenomena · Physics 2025-02-14 Shokoufe Faraji , Audrey Trova

A pair of transverse wobbling bands has been observed in the nucleus $^{135}$Pr. The wobbling is characterized by $\Delta I$ =1, E2 transitions between the bands, and a decrease in the wobbling energy confirms its transverse nature.…

A method is proposed and tested for the analysis of Delta I=2 staggering observed in nuclear rotational bands. We examine six super- and hyper-deformed bands, among which that of 149Gd and possibly of 147Gd seem to exhibit real staggering.…

Nuclear Theory · Physics 2009-09-25 K. Hara , G. A. Lalazissis

The candidate chiral doublet bands recently observed in $^{126}$Cs have been extended to higher spins, several new linking transitions between the two partner members of the chiral doublet bands are observed, and $\gamma$$-$intensities…

Nuclear Experiment · Physics 2009-11-13 S. Y. Wang , Y. Z. Liu , T. Komatsubara , Y. J. Ma , Y. H. Zhang

Super- and highly-deformed rotational bands in the A ~ 60 mass region are studied within cranked relativistic mean field theory and the configuration-dependent shell-correction approach based on the cranked Nilsson potential. Both…

Nuclear Theory · Physics 2009-10-31 A. V. Afanasjev , I. Ragnarsson , P. Ring

A systematic study of the doublet bands observed in odd-odd mass $\sim$ 100 is performed using the microscopic triaxial projected shell model approach. This mass region has depicted some novel features which are not observed in other mass…

Nuclear Theory · Physics 2013-12-05 W. A. Dar , J. A. Sheikh , G. H. Bhat , R. Palit , S. Frauendorf

Magnetic dipole strength functions have been deduced from averages of a large number of $M1$ transition strengths calculated within the shell model for the nuclides $^{90}$Zr, $^{94}$Mo, $^{95}$Mo, and $^{96}$Mo. An enhancement of $M1$…

Nuclear Theory · Physics 2015-06-17 R. Schwengner , S. Frauendorf , A. C. Larsen

The damping of collective rotational motion is investigated by means of particles-rotor model in which the angular momentum coupling is treated exactly and the valence nucleons are in a multi-$j$ shell mean-field. It is found that the onset…

Nuclear Theory · Physics 2009-11-10 Lu Guo , Jie Meng , Enguang Zhao , Fumihiko Sakata

Spin-singlet and spin-triplet internal transitions of quasi-two-dimensional, negatively charged magneto-excitons (X-) and their evolution with excess electron density have been studied in GaAs/AlGaAs quantum-wells by optically detected…

We report our NMR study of the spin excitations in the quasi-one dimensional (1D) $S=1/2$ quantum magnet CH$_3$NH$_3$Cu(HCOO)$_3$ lying in the 1D-3D dimensional crossover regime with Dzyaloshinskii-Moriya(DM) interactions. Above $T_N$, the…

Strongly Correlated Electrons · Physics 2019-09-19 Long Ma , Z. Wang , L. Hu , Z. Qu , N. Hao , Li Pi

Observations indicate that the magnetic fields on neutron stars (NSs) lie in the range of $10^{8}$-$10^{15}$ G. We investigate rotating NSs with chaotic magnetic fields in both general relativity (GR) and Rastall gravity (RG). The equation…

High Energy Astrophysical Phenomena · Physics 2025-10-22 M. Lawrence Pattersons , Freddy P. Zen , Hadyan L. Prihadi , Muhammad F. A. R. Sakti , Getbogi Hikmawan

Rotation of triaxially deformed nucleus has been an interesting subject in the study of nuclear structure. In the present series of work, we investigate wobbling motion and chiral rotation by employing the microscopic framework of…

Nuclear Theory · Physics 2018-02-21 Mitsuhiro Shimada , Yudai Fujioka , Shingo Tagami , Yoshifumi R. Shimizu

Magnetic rotation and antimagnetic rotation are exotic rotational phenomena observed in weakly deformed or near-spherical nuclei, which are respectivelyinterpreted in terms of the shears mecha-nism and two shearslike mechanism. Since their…

Nuclear Theory · Physics 2013-03-18 J. Meng , J. Peng , S. Q. Zhang , P. W. Zhao

The criteria for chiral doublet bands based on one particle and one hole coupled to a triaxial rotor have been summarized. Two representative cases in $A\sim100$ odd-odd nuclei, nearly degenerate $\Delta I =1$ doublet bands in $^{104}$Rh…

Nuclear Theory · Physics 2008-11-26 S. Y. Wang , S. Q. Zhang , B. Qi , J. Meng

High-spin states in 135Nd were populated with the 110Pd(30Si,5n)135Nd reaction at a 30Si bombarding energy of 133 MeV. Two Delta(I)=1 bands with close excitation energies and the same parity were observed. These bands are directly linked by…